Gerres equulus: Population traits

at T = 18 °C with background hazards for embryo, larva, juv, adult: 0, 0, 0, 0 1/d

Ln survival probability as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
Ln survivor function of the stable age distribution as function of age, with (dashed) and without (solid) thinning at max (red) and min (blue) scaled functional response for females.
model abj f_min f_max date: 2022/12/20
symbol units thinning falsethinning true thinning falsethinning true description
femalemale femalemale femalemale femalemale
f - 0.590985 0.590985 0.645873 0.645873 1 1 1 1 scaled functional response
r 1/d 0 0 0 0 0.00731976 0.00731976 0.000831237 0.000831237 spec pop growth rate
t2 d NaN NaN NaN NaN 94.6954 94.6954 833.874 833.874 population doubling time
a_b d 17.564 17.6389 17.3021 17.376 16.0677 16.1362 16.0677 16.1362 age at birth
t_j d 221.525 227.255 202.67 207.817 133.804 136.908 133.804 136.908 time since birth at metam
t_p d 7589.47 3890.86 3038.68 3391.59 1234.03 1279.02 1234.03 1279.02 time since birth at puberty
S_b - 0.999999 0.999998 0.999999 0.999999 0.999999 0.999999 0.999999 0.999999 survival probability at birth
S_j - 0.999992 0.999991 0.627515 0.633626 0.999994 0.999993 0.51825 0.524635 survival probability at metam
S_p - 0.999766 0.999748 0.00425984 0.00426458 0.999916 0.99991 0.00419583 0.00419863 survival probability at puberty
theta_0b - 0.00362318 0.00366409 0.314448 0.309913 0.110804 0.111247 0.400891 0.396501 frac of ind that is embryo
theta_bj - 0.00363216 0.00367333 0.251942 0.249431 0.0986786 0.099026 0.290663 0.289042 frac of ind between b and j
theta_jp - 0.0421739 0.043648 0.421551 0.428469 0.456662 0.463538 0.301961 0.307942 frac of ind between j and p
theta_pi - 0.950571 0.949015 0.0120586 0.0121869 0.333855 0.326189 0.00648386 0.0065161 frac of ind that is adult
L_bi cm 2.71721 2.64306 0.114966 0.114681 0.464852 0.452041 0.0987741 0.0986476 mean structural length of post-natals
L2_bi cm^2 8.31224 7.87324 0.0806333 0.0782718 0.502022 0.475403 0.0337327 0.0330888 mean squared structural length of post-natals
L3_bi cm^3 26.4275 24.3812 0.222945 0.210095 0.803639 0.743321 0.0806507 0.0768451 mean cubed structural length of post-natals
Ww_bi g 30.3882 27.9444 0.259461 0.243651 1.00744 0.927133 0.101104 0.0958478 mean wet weight of post-natals
L_pi cm 2.83992 2.76634 1.60966 1.5877 0.991402 0.976792 1.11957 1.11196 mean structural length of adults
L2_pi cm^2 8.71102 8.264 4.07434 3.92449 1.28957 1.24637 2.29706 2.24324 mean squared structural length of adults
L3_pi cm^3 27.7005 25.5965 12.6083 11.8305 2.12924 2.0138 7.34652 7.0114 mean cubed structural length of adults
Ww_pi g 31.8521 29.3372 14.6734 13.72 2.66921 2.51178 9.20958 8.74522 mean wet weight of adults
R 1/d 0 0 0 0 0 0 0 0 mean reproduction rate of adults
J_X g/d 0.172873 0.1596 0.00170309 0.00160773 0.0175493 0.016187 0.000989109 0.000942116 mean ingestion rate of wet food by post-natals
Y_PX mol/mol 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 0.109375 yield of faeces on food
Y_VX mol/mol 0 0 0 0 0.335196 0.336128 0.0677781 0.0678011 yield of living structure on food
Y_VX_d mol/mol 0.0485834 0.0490134 0.113493 0.114584 0.000246171 0.000253147 0.179934 0.180986 yield of dead structure on food
Y_EX mol/mol 0 0 0 0 0.0850048 0.0831198 0.0171883 0.0167663 yield of living reserve on food
Y_EX_d mol/mol 0.0072813 0.00716293 0.0185892 0.0183008 6.24282e-05 6.25996e-05 0.0456307 0.0447553 yield of dead reserve on food
Y_CX mol/mol 0.83476 0.834449 0.758543 0.75774 0.470116 0.471061 0.580094 0.580316 yield of CO2 on food
Y_HX mol/mol 0.600564 0.600339 0.545729 0.545152 0.338222 0.338902 0.417345 0.417505 yield of H2O on food
Y_OX mol/mol -0.907802 -0.907463 -0.824915 -0.824043 -0.511251 -0.512279 -0.630852 -0.631094 yield of O2 on food
Y_NX mol/mol 0.125214 0.125167 0.113781 0.113661 0.0705173 0.0706592 0.0870141 0.0870474 yield of N-waste on food
mu_TX J/mol 444204 444054 405529 405143 257992 258559 314094 314270 yield of heat on food

Remarks

  • Reprod-code O applies. Sex ratio is assumed to be 1:1. Parameters of male and female differ.
  • Buffer handling rule: release each egg as soon as reproduction buffer allows
  • Weights of adults do not include reproduction buffer